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Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Interim Period, Costs Not Allocable [Line Items]
Income tax expense	$ 24.7us-gaap_IncomeTaxExpenseBenefit	$ 2.1us-gaap_IncomeTaxExpenseBenefit
Effective income tax rate	(1546.90%)us-gaap_EffectiveIncomeTaxRateContinuingOperations	(54.90%)us-gaap_EffectiveIncomeTaxRateContinuingOperations
Loss before income taxes and non-controlling interests	(1.6)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	(3.8)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Valuation allowance on foreign tax credit carryovers	19.0us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign
Unrecognized tax benefit	71.0us-gaap_UnrecognizedTaxBenefits		27.7us-gaap_UnrecognizedTaxBenefits
Reduction in effective tax rate	39.8us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Accrued interest and penalties related to unrecognized tax benefits	9.4us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued		4.7us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Interest and penalties recognized	0.3us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Possible reduction in tax benefits from lapse of applicable statute of limitations	3.3us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit
State and Local Jurisdiction [Member]
Interim Period, Costs Not Allocable [Line Items]
Valuation allowance	$ 19.0us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember

X

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 6

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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- Definition

The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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